Table 3.

Model averaged parameter values explaining herbivore response levels to horizontal approaches by Unmanned Aerial Systems.

Reference	Reaction	Parameter	Estimate	Unconditional standard error	Confidence intervals	Relative importance
No response	Response	Activity_Stand	0.04	0.22	−0.36, 2.18	0.04
		Activity_Drink	−0.09	0.50	−4.77, 0.40	0.04
		Activity_Feed	0.04	0.24	−0.25, 2.27	0.04
		Activity_Walk	0.02	0.09	−0.77, 1.80	0.04
		Altitude	−0.62	0.19	−0.95,−0.22	1.00
		Distance	−3.83	0.47	−4.68,−2.88	1.00
		Habitat	−0.30	0.51	−1.79, 0.39	0. 40
		Previous exposure	−0.41	0.60	−2.07, 0.31	0.47
		Size	0.09	0.18	−0.17, 0.70	0.35
		Species_Elephant	1.41	0.77	−0.02, 3.03	1.00
		Species_Giraffe	1.78	0.71	0.38, 3.11	1.00
		Species_Lechwe	1.10	0.65	−0.21, 2.32	1.00
		Species_Tsessebe	1.39	0.64	0.13, 2.65	1.00
		Species_Wildebeest	3.96	0.81	2.36, 5.54	1.00
		Species_Zebra	2.35	0.65	1.09, 3.65	1.00
		Time of day_AM	0.18	0.37	−0.51, 1.31	0.39
		Time of day_PM	−0.19	0.37	−1.37, 0.41	0.39
		UAS type	−0.01	0.09	−1.03, 0.53	0.04
Vigilant	Active	Distance	1.42	0.28	0.86, 1.97	1.00
		Habitat	1.79	0.78	0.24, 3.31	1.00
		Herd type	−0.23	0.36	−2.16, 0.44	0.27
		Previous exposure	0.12	0.36	−0.59, 1.84	0.19
		Species_Elephant	2.48	0.99	0.52, 4.39	1.00
		Species_Giraffe	2.00	0.94	0.15, 3.86	1.00
		Species_Lechwe	0.60	0.79	−0.97, 2.15	1.00
		Species_Tsessebe	0.24	0.79	−1.31, 1.81	1.00
		Species_Wildebeest	−1.81	0.91	−3.60, 0.01	1.00
		Species_Zebra	−0.20	0. 78	−1.75, 1.34	1.00
		UAS type	0.06	0.22	−0.49, 1.21	0.17

Parameters with high relative importance and confidence intervals >1 or <1 are in bold italics.